phonefsod version 0.1+git20100802-2ubuntu1 failed to build on amd64 with GCC-4.6/oneiric

phonefsod version 0.1+git20100802-2ubuntu1 failed to build on amd64 with GCC-4.6/oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2464819

Details about the rebuild:
https://lists.ubuntu.com/archives/ubuntu-devel/2011-April/033042.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2464819/+files/buildlog_ubuntu-natty-amd64.phonefsod_0.1%2Bgit20100802-2ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1014 lines into the build log:

phonefsod-phonefsod-dbus-phoneuid.o: In function `_dbus_error':
/build/buildd/phonefsod-0.1+git20100802/src/phonefsod-dbus-phoneuid.c:39: undefined reference to `g_error_free'
phonefsod-phonefsod-dbus-phoneuid.o: In function `_dbus_get_proxy':
/build/buildd/phonefsod-0.1+git20100802/src/phonefsod-dbus-phoneuid.c:45: undefined reference to `dbus_g_proxy_new_for_name'
collect2: ld returned 1 exit status
make[4]: *** [phonefsod] Error 1
make[4]: Leaving directory `/build/buildd/phonefsod-0.1+git20100802/src'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/build/buildd/phonefsod-0.1+git20100802/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/phonefsod-0.1+git20100802'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/phonefsod-0.1+git20100802'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110425-1331
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/phonefsod-0.1+git20100802